Home / 40,061.76-60,075.11-19,007.81

Finding the Fourth Proportional to 40,061.76, 60,075.11 and 19,007.81

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Solution

The fourth proportional to 40,061.76, 60,075.11 and 19,007.81 is: 28,503.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,061.76 : 60,075.11 = 19,007.81 : x
  2. Step 2: Convert to fraction form
    40,061.76/60,075.11 = 19,007.81/x
  3. Step 3: Cross multiply
    40,061.76x = 60,075.11 × 19,007.81
  4. Step 4: Simplify right side
    40,061.76x = 1,141,895,881.19
  5. Step 5: Solve for x
    x = 1,141,895,881.19/40,061.76
  6. Step 6: Final answer
    x = 28,503.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.